The SRAM RED 11-Speed Rear Derailleur is crafted for cyclists who demand precision and efficiency. With SRAM's Exact Actuation™ technology, this derailleur ensures smooth and accurate gear changes. Built with carbon fibre, titanium, and ceramic bearings, it offers a lightweight yet robust performance. The SRAM RED 11-Speed Rear Derailleur is a key component for those seeking top-tier cycling performance. Exact Actuation™ shifting for quick and precise gear changes Extended B-knuckle for compatibility with 28t cassettes Quiet operation with AeroGlide™ pulleys and ceramic bearings Spring-fixed barrel adjuster for easy tuning Chain pulley cage for improved chain management Titanium pinch bolt for reduced weight and sleek design